Browsing Mathemateg a Ffiseg / Mathematics & Physics by Author "Davies, Ioan Tudur"

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  • Sedimentation of an elliptical object in a two-dimensional foam 
    Davies, Ioan Tudur; Cox, Simon John (2010-07)
    The sedimentation of an elliptical object in a dry two-dimensional, monodisperse foam is simulated. The calculations are quasi-static, allowing the identification and separation of the elastic, plastic and viscous response ...
  • Sedimentation of circular and elliptical objects in a two-dimensional foam 
    Davies, Ioan Tudur (Aberystwyth UniversityMathematical and Physical Sciences, 2009)
    The rheology of a two-dimensional dry foam is probed with quasi-static bubblescale simulations of the sedimentation of circular discs and elliptical objects. The sedimenting objects move in response to a combination of ...
  • Sedimenting discs in a two-dimensional foam 
    Davies, Ioan Tudur; Cox, Simon (Elsevier, 2009-06)
    The sedimentation of circular discs in a dry two-dimensional, monodisperse foam is studied. This, a variation of the classical Stokes experiment, provides a prototype experiment to study a foam’s response. The interaction ...
  • Simulations of two-dimensional foam rheology : Localization in linear Couette flow and the interaction of settling discs 
    Wyn, Aled; Davies, Ioan Tudur; Cox, Simon John (2008-05)
    Surface Evolver simulations of flowing two-dimensional foams are described. These are used for two purposes. Firstly, to extract the location of the T 1 s, the changes in bubble topology that occur during plastic flow. It ...
  • The Stokes experiment in a foam - a summary 
    Davies, Ioan Tudur (Engineering and Physical Sciences Research Council, 2008-02-01)
    One way in which the complex elastic, plastic and viscous properties of a liquid foam can be explored is through the interaction between the foam and an object moving relative to it. This variation on the classic 'Stokes' ...

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